The gang stumbles upon two ingenious twin inventors while trying to order a pizza, and they're working on a groundbreaking project that has the potential to revolutionize humanity.
1. Happy Birthday, Scooby-Doo Part 1
Aired: Sep 8, 1984Scooby-Doo's birthday is being celebrated with a surprise party, but things t...
2. Happy Birthday, Scooby-Doo Part 2
Aired: Sep 8, 1984Scooby's birthday is celebrated with a surprise party by his friends, complet...
3. Scooby's Peep-Hole Pandemonium
Aired: Sep 15, 1984The Mystery Inc. gang accepts a mysterious assignment to conduct an interview...
Aired: Sep 15, 1984The gang stumbles upon two ingenious twin inventors while trying to order a p...
Aired: Sep 22, 1984In the next episode, the Mystery Inc. gang arrives at a mysterious hotel in t...
Aired: Sep 22, 1984The Mystery Inc. gang reunites Phyllis Diller's beloved dog, and in gratitude...
Aired: Sep 29, 1984An enigmatic tour guide, masquerading as the Mastermind, concocts a sinister ...
Aired: Sep 29, 1984The Mystery Bunch delves into the sweet mystery of a quaint town plagued by a...
Aired: Oct 6, 1984The Mystery Machine gang arrives at a spooky hotel, where rumors of a ghostly...
Aired: Oct 6, 1984Scooby-Doo is hot on the trail of a cunning mastermind spy, "Codefingers," wh...
11. Ghosts of the Ancient Astronauts Part 1
Aired: Oct 13, 1984The Mystery Inc. gang encounters Velma's uncle and stumbles upon a mysterious...
12. Ghosts of the Ancient Astronauts Part 2
Aired: Oct 13, 1984The gang encounters Velma's uncle, who leads them to uncover the secrets of a...
13. The Night of the Living Toys
Aired: Oct 20, 1984In the next thrilling episode, the friends embark on a magical journey to a G...
